1040664306271 has 2 divisors, whose sum is σ = 1040664306272. Its totient is φ = 1040664306270.

The previous prime is 1040664306263. The next prime is 1040664306277. The reversal of 1040664306271 is 1726034660401.

It is a strong prime.

It is an emirp because it is prime and its reverse (1726034660401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040664306271 - 2³ = 1040664306263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040664306277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520332153135 + 520332153136.

It is an arithmetic number, because the mean of its divisors is an integer number (520332153136).

Almost surely, 2^{1040664306271} is an apocalyptic number.

1040664306271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040664306271 is an equidigital number, since it uses as much as digits as its factorization.

1040664306271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 1040664306271 its reverse (1726034660401), we get a palindrome (2766698966672).

The spelling of 1040664306271 in words is "one trillion, forty billion, six hundred sixty-four million, three hundred six thousand, two hundred seventy-one".